Home / 354,367,631.10-531,551,446.65-305,900,211.90

Finding the Fourth Proportional to 354,367,631.10, 531,551,446.65 and 305,900,211.90

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Solution

The fourth proportional to 354,367,631.10, 531,551,446.65 and 305,900,211.90 is: 458,850,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,367,631.10 : 531,551,446.65 = 305,900,211.90 : x
  2. Step 2: Convert to fraction form
    354,367,631.10/531,551,446.65 = 305,900,211.90/x
  3. Step 3: Cross multiply
    354,367,631.10x = 531,551,446.65 × 305,900,211.90
  4. Step 4: Simplify right side
    354,367,631.10x = 162,601,700,165,986,528
  5. Step 5: Solve for x
    x = 162,601,700,165,986,528/354,367,631.10
  6. Step 6: Final answer
    x = 458,850,317.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.